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Finding the Third Proportional to 12,672 and 29,568

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Solution

The third proportional to 12,672 and 29,568 is: 68,992

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672 : 29,568 = 29,568 : x
  2. Step 2: Convert to fraction form
    12,672/29,568 = 29,568/x
  3. Step 3: Cross multiply
    12,672x = 29,568 × 29,568
  4. Step 4: Simplify right side
    12,672x = 874,266,624
  5. Step 5: Solve for x
    x = 874,266,624/12,672
  6. Step 6: Final answer
    x = 68,992

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.